import { to as tos } from 'await-to-js'
import router from './router'
import NProgress from 'nprogress'
import 'nprogress/nprogress.css'
import { getToken } from '@/utils/auth'
import { isHttp } from '@/utils/validate'
import { isRelogin } from '@/utils/request'
import useUserStore from '@/store/modules/user'
import useSettingsStore from '@/store/modules/settings'
import usePermissionStore from '@/store/modules/permission'
import { RouteLocationNormalized } from 'vue-router'

NProgress.configure({ showSpinner: false })
const whiteList = ['/login', '/register']

router.beforeEach(async (to, from, next) => {
  NProgress.start()
  if (getToken()) {
    to.meta.title && useSettingsStore().setTitle(to.meta.title as string)
    /* has token*/
    if (to.path === '/login') {
      next({ path: '/' })
      NProgress.done()
    } else {
      if (useUserStore().roles.length === 0) {
        isRelogin.show = true
        // 判断当前用户是否已拉取完user_info信息
        const [err] = await tos(useUserStore().getInfo())
        if (err) {
          await useUserStore().logout()
          ElMessage.error(err)
          next({ path: '/' })
        } else {
          isRelogin.show = false
          const accessRoutes = await usePermissionStore().generateRoutes()
          // 根据roles权限生成可访问的路由表
          accessRoutes.forEach((route) => {
            if (!isHttp(route.path)) {
              router.addRoute(route) // 动态添加可访问路由表
            }
          })
          if (useSettingsStore().topNav) {
            if (to.path === '/index') {
              const first: RouteLocationNormalized = {
                fullPath: '',
                hash: '',
                matched: [],
                meta: {},
                name: undefined,
                params: {},
                path: '',
                query: {},
                redirectedFrom: undefined,
              }
              if (accessRoutes.length > 0) {
                let path = accessRoutes[0].path
                if (accessRoutes[0].children != null && accessRoutes[0].children?.length > 0) {
                  path = path + '/' + accessRoutes[0].children[0].path
                  if (accessRoutes[0].children[0].children != null && accessRoutes[0].children[0].children.length > 0) {
                    path = path + accessRoutes[0].children[0].children[0].path
                    if (accessRoutes[0].children[0].children[0].children != null && accessRoutes[0].children[0].children[0].children.length > 0) {
                      path = path + accessRoutes[0].children[0].children[0].children[0].path
                    }
                  }
                }

                first.path = path
                first.fullPath = path

                next({ ...first, replace: true })
                return
              }
            }
          }
          next({ ...to, replace: true })
        }
      } else {
        next()
      }
    }
  } else {
    // 没有token
    if (whiteList.indexOf(to.path) !== -1) {
      // 在免登录白名单，直接进入
      next()
    } else {
      next(`/login?redirect=${to.fullPath}`) // 否则全部重定向到登录页
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  NProgress.done()
})
